# EM Free Space Permittivity#

EM Free Space Permittivity = <float>


## Description / Usage#

This sets the electromagnetic free space permittivity, $$\epsilon_0$$ for Time-Harmonic Maxwell problems

<float>

Value of the electromagnetic free space permittivity

## Examples#

Following is a sample card:

EM Free Space Permittivity = {(1e-9)/(36*PI)}